By Paige Freshwater & Paige Freshwater A 48-year-old woman dating a man almost half her age has taken a stand against the trolls who claim she’s “disgusting”. High school teacher Rachel met Alex, 25, on a dating app in December 2020 – but has faced criticism as he is ‘young enough to be one of her students’. While she felt unsure about the relationship at first, she now happily shares funny “lessons” on TikTok about hooking a younger man. Rachel, from Austin, Texas, said: “I was newly divorced and a friend of mine convinced me to get on a dating app where I met Alex. I was very hesitant becaus…